Answer
$0.1295$
Work Step by Step
We know that $probability=\frac{number \ of \ good \ outcomes}{number\ of\ all\ outcomes}$. By checking the data from the table we get: $P(refused)=\frac{156}{1205}\approx0.1295$. High refusal rate represents the population, because those who refuse can be part of a certain group with different opinions.
